Clarence Young was a house pseudonym used by the Stratemeyer Syndicate for series of books for boys, the most well-known being the "Motor Boys" series.

At the mention of the name of that city the two queer men, as if moved by the same impulse, stared straight at our heroes. The eyes of Jerry met first those of the man nearest him, and then shifted to the face of his companion. The two men hastily glanced away, and then, as Bob, who had noticed their strange action and who had interrupted himself, resumed his remarks about the desirability of Harmolet as a stopping place, the two strangers whispered eagerly together.